testing: Use nox for running tests on multiple versions

- Modern Python-configured replacement for tox

- Use nox in the GitHub Workflow as well

- Update msgpack (only); the new version has built wheels for Python
  3.14.

Author: datalogics-kam

.github/workflows/test-and-publish.yml

@@ -24,14 +24,8 @@ jobs:
       contents: read
       packages: write
       pull-requests: write
-    env:
-      UV_PROJECT_ENVIRONMENT: .venv-${{ matrix.python-version }}
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
       - name: Install uv
         uses: astral-sh/setup-uv@v6
         with:
@@ -40,16 +34,8 @@ jobs:
           enable-cache: true
           cache-suffix: pre-commit
           cache-dependency-glob: uv.lock
-      - name: Restore venv cache
-        uses: actions/cache@v4
-        with:
-          path: |
-            ${{ env.UV_PROJECT_ENVIRONMENT }}
-          key: ${{ runner.os }}-uv-${{ matrix.python-version }}-${{ hashFiles('uv.lock') }}
-      - name: Synchronize project dependencies
-        run: uv sync --group dev
-      - name: Run tests
-        run: uv run pytest
+      - name: Run tests with nox
+        run: uvx nox --python ${{ matrix.python-version }} --session tests
 
   publish:
     name: Publish to CodeArtifact

noxfile.py

@@ -0,0 +1,19 @@
+import nox
+
+nox.options.default_venv_backend = "uv"
+
+python_versions = ["3.10", "3.11", "3.12", "3.13", "3.14"]
+
+
+@nox.session(name="tests", python=python_versions, reuse_venv=True)
+def tests(session: nox.Session) -> None:
+    session.run_install(
+        "uv",
+        "sync",
+        "--no-default-groups",
+        "--group=dev",
+        "--reinstall-package=pdfrest",
+        f"--python={session.virtualenv.location}",
+        env={"UV_PROJECT_ENVIRONMENT": session.virtualenv.location},
+    )
+    session.run("pytest", "--cov=pdfrest", "--cov-report=term-missing")

pyproject.toml

@@ -31,6 +31,7 @@ dev = [
     "pytest-asyncio>=1.2.0",
     "pytest-rerunfailures>=16.0.1",
     "pytest-xdist>=3.8.0",
+    "nox>=2025.5.1",
 ]
 
 [tool.mypy]